.banner{
    height: 680px;
}

.banner img{
    width: 100%;
    height: 100%;
    object-fit: cover; 
}


/* 回到顶部按钮 */

.top-btn{
    background: url('../imgs/首页回到顶部按钮.jpg');
    width: 40px;
    height: 40px;
    position: fixed;
    right: 40px;
    bottom: 20px;
    cursor: pointer;
    border-radius: 50%;
    /* background-position-y: -40px; */
}




/* 服务 */

.service{
    margin-top: 106px;
    padding-left: 36px;
    box-sizing: border-box;
    
}

.service h2{
    font-size: 40px;
    text-align: center;
    color: black;
    margin-bottom: 15px;
    font-weight: normal;
}
.service-p1{
    margin-bottom: 27px;
    text-align: center;
    color: #666;
}

.service-a1{
    display: block;
    text-align: center;
    margin-bottom: 35px;
    color: #1271ef;
}

.service p{
    color: #666;
    
    font-size: 14px;
}

.service .service-one{
    display: block;
    font-size: 22px;
}

.service div{
    margin: 0 20px;
    border: 1px solid #ccc;
    box-shadow: 3px 3px 10px 1px pink;
    cursor: pointer;
}
.service div a{
    line-height: 40px;
    margin-left: 21px;
}
.service div p{
    margin-left: 21px;
}

.service-two{
    color:#1271ef ;
    font-size: 11px;
}



/* API分类 */
.all{
    background:url('../imgs/more-api-bg.svg') no-repeat center top #f8f9fb;
}
.classification{
    margin-top: 100px;
    padding-top: 90px;
    padding-bottom: 68px;
    box-sizing: border-box;
}

.classification ul li{
    width: 224px;
    height: 138px;
    text-align: center;
    float: left;
    padding-top: 36px;
    box-sizing: border-box;
    margin: 10px 8px;
    border: 1px solid #fff;
    box-shadow: 3px 3px 10px 1px pink;
}

.classification ul li p{
    margin-top: 13px;
    color: black;
}

.classification h2{
    font-size: 40px;
    text-align: center;
    color: black;
    margin-bottom: 15px;
    font-weight: normal;
}

.classification-p1{
    margin-bottom: 27px;
    text-align: center;
    color: #666;
}

.classification-a1{
    display: block;
    text-align: center;
    margin-bottom: 35px;
    color: #1271ef;
}
.classification-p2{
    text-align: center;
    margin-top: 36px;
    
}


/* APIMaster */


.master ul li{
    width: 507px;
    height: 82px;
    margin-bottom: 10px;
    background: #fbfbfd;
    box-sizing: border-box;
    padding-left: 19px;
    padding-top: 19px;
    position: relative;
}
.master ul li::before{
    content: '';
    height: 0;
    display:block ;
    height: 40%;
    border-left: 4px solid #1271ef;
    position: absolute;
    top: 26px;
    left: 0;
}

.master h2{
    font-size: 40px;
    text-align: center;
    color: black;
    margin-bottom: 15px;
    font-weight: normal;
}

.master-p1{
    margin-bottom: 27px;
    text-align: center;
    color: #666;
} 

.master-a1{
    display: block;
    text-align: center;
    margin-bottom: 35px;
    color: #1271ef;
}

.master-p2 img{
    width: 580px;
}


/* 助力企业 */
.business-nr{
    background: #f8f9fb;
    height: 270px;
    position: relative;
}
.business-list{
    opacity: 0;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: all 1s;
}
 .active{
    opacity: 1;
    z-index: 10;
}


.business h2{
    font-size: 40px;
    text-align: center;
    color: black;
    margin-bottom: 15px;
    font-weight: normal;
}

.business-a1{
    display: block;
    text-align: center;
    margin-bottom: 35px;
    color: #1271ef;
    
}

.business-img1{
    margin-right: 40px;
    height: 290px;
    margin-top: -21px;
}
.business-img2{
    margin-top: -21px;
    margin-bottom: 38px;
}

.business-p1{
    color: #333;
    margin-bottom: 50px;
}
.business-p2 {
    text-align: right;
    color: #333;
    position: relative;
}

.business-p2 span::before{
    content: "";
    position: absolute;
    right: 100px;
    top: 8px;
    width:13px ;
    height:4px ;
    font-size: 12px;
    background-color: #1271ef;
}

/* 数据安全和可靠合规的服务 */
.datasafe h2{
    font-size: 40px;
    text-align: center;
    color: black;
    margin-bottom: 15px;
    font-weight: normal;
}

.datasafe-p1{
    margin-bottom: 27px;
    text-align: center;
    color: #666;
}

.datasafe-a1{
    display: block;
    text-align: center;
    margin-bottom: 35px;
    color: #1271ef;
}

.datasafe-ul1{
    margin-top: 60px;
    margin-bottom: 110px;
}
.datasafe-ul1 ul li{
    float: left;
    margin-right: 60px;
}

.datasafe-ul2{
    margin-bottom: 82px;
}
.datasafe-ul2 ul li{
    float: left;
    text-align: center;
    width: 200px;
    height: 122px;
}
.ul2-l3 p{
    margin-top: 20px;
}
.ul2-l4 p{
    margin-top: 20px;
}
.ul2-l5 p{
    margin-top: 20px;
}


/* 免费体验 */
.experience{
    background: url('../imgs/login-register-bg.svg') no-repeat   #1271ef;
    height: 240px;
    padding-top: 70px;
    box-sizing: border-box;
}

.experience h2{
    font-size: 40px;
    text-align: center;
    color: white;
    margin-bottom: 15px;
    font-weight: normal;
}

.experience a{
    display: block;
    margin: 0 auto;
    width: 128px;
    line-height: 40px;
    color: white;
    border: 1px solid #fff;
    text-align: center;
}


